java 对象流

TV.java

import java.io.*;
public class TV implements Serializable{
   String name;
   int price; 
   public void setName(String s) {
      name=s;
   }
   public void setPrice(int n) {
      price=n;
   }
   public String getName() {
      return name;
   }
   public int getPrice() {
      return price;
   }
}

Example10_13.java

import java.io.*;
public class Example10_13 {
   public static void main(String args[]) {
      TV changhong = new TV();
      changhong.setName("长虹电视");
      changhong.setPrice(5678); 
      File file=new File("television.txt");
      try{ 
          FileOutputStream fileOut=new FileOutputStream(file);
          ObjectOutputStream objectOut=new ObjectOutputStream(fileOut);
          objectOut.writeObject(changhong); 
          objectOut.close(); 
          FileInputStream fileIn=new FileInputStream(file);
          ObjectInputStream objectIn=new ObjectInputStream(fileIn);
          TV xinfei=(TV)objectIn.readObject(); 
          objectIn.close();
          xinfei.setName("新飞电视");
          xinfei.setPrice(6666); 
          System.out.println("changhong的名字:"+changhong.getName());
          System.out.println("changhong的价格:"+changhong.getPrice());
          System.out.println("xinfei的名字:"+xinfei.getName());
          System.out.println("xinfei的价格:"+xinfei.getPrice());
       }
       catch(ClassNotFoundException event) {
          System.out.println("不能读出对象");
       }
       catch(IOException event) {
          System.out.println(event);
       }
   }
}